Stethoscope with one-handed headset operation
CA 1192845 A · Owner: Pope, Janson M. Jr. · Inventors: Pope, Janson M. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A stethoscope normally includes two tubular members which are pivotally mounted together and which have ear pieces on one end; and the headset is normally mounted on the head of the doctor or other user by using two hands one on each of the two pivoted tubular members and placing, the ear pieces in the ears. A spring is normally connected to the other end of the head set and this spring will normally bias the tubular members and ear pieces toward one-another so that the head set will stay on the user's ears by itself. In accordance with the present disclosure the two tubular members of the headset are provided with extensions which extend in the direction away …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted September 3, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 3, 2002.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.